🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.64 AU - 0.8 AU

Year: 219 Days

Day: 14.3 Hours

Environment

Temp: 158 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.47 AU - 2.77 AU

Year: 1519 Days

Day: 43.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.5

Radius: 11.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.24 AU - 7.28 AU

Year: 6295 Days

Day: 12.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,714,557 km

• M1: 148,700 km (0.104 R)
• M2: 529,576 km (0.069 R)
• M3: 1,124,078 km (0.106 R)
• M4: 1,598,004 km (0.062 R)
• M5: 2,188,766 km (0.104 R)
• M6: 2,807,802 km (0.11 R)
• M7: 4,170,938 km (0.084 R)
• M8: 4,552,562 km (0.111 R)
• M9: 5,069,722 km (0.094 R)
• M10: 5,966,262 km (0.106 R)
• M11: 6,419,394 km (0.032 R)
• M12: 7,249,962 km (0.079 R)
• M13: 8,507,332 km (0.086 R)
• M14: 12,989,434 km (0.104 R)
• M15: 16,982,201 km (0.086 R)
• M16: 19,396,411 km (0.112 R)
• M17: 19,820,072 km (0.115 R)
• M18: 20,758,949 km (0.102 R)
• M19: 23,434,207 km (0.096 R)
• M20: 24,402,105 km (0.088 R)
• M21: 25,733,826 km (0.104 R)
• M22: 27,821,464 km (0.115 R)
• M23: 31,547,947 km (0.081 R)
• M24: 32,430,126 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.6

Radius: 14.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 11.96 AU - 12.5 AU

Year: 15318 Days

Day: 11.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,714,557 km

• M1: 181,612 km (0.078 R)
• M2: 885,021 km (0.103 R)
• M3: 1,759,720 km (0.118 R)
• M4: 2,326,097 km (0.111 R)
• M5: 5,964,018 km (0.092 R)
• M6: 8,639,277 km (0.084 R)
• M7: 9,310,822 km (0.106 R)
• M8: 9,906,072 km (0.098 R)
• M9: 11,053,487 km (0.078 R)
• M10: 13,543,694 km (0.093 R)
• M11: 16,310,357 km (0.078 R)
• M12: 20,589,753 km (0.091 R)
• M13: 25,987,245 km (0.109 R)
• M14: 26,952,151 km (0.045 R)
• M15: 28,839,926 km (0.113 R)
• M16: 36,208,669 km (0.03 R)
• M17: 37,008,269 km (0.052 R)
• M18: 38,642,776 km (0.073 R)
• M19: 40,041,216 km (0.074 R)
• M20: 44,287,552 km (0.104 R)
• M21: 47,862,044 km (0.078 R)
• M22: 50,129,648 km (0.085 R)
• M23: 58,084,216 km (0.026 R)
• M24: 63,124,766 km (0.119 R)
• M25: 65,652,522 km (0.048 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.7

Radius: 7

Gravity: 17.3 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 13.76 AU - 19.76 AU

Year: 24574 Days

Day: 23.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 93,714,557 km

• M1: 89,160 km (0.116 R)
• M2: 847,322 km (0.05 R)
• M3: 2,277,328 km (0.047 R)
• M4: 2,769,655 km (0.116 R)
• M5: 6,034,329 km (0.063 R)
• M6: 11,442,891 km (0.117 R)
• M7: 13,175,982 km (0.041 R)
• M8: 14,504,860 km (0.106 R)
• M9: 15,749,514 km (0.088 R)
• M10: 32,615,926 km (0.106 R)
• M11: 34,454,185 km (0.094 R)
• M12: 38,645,768 km (0.105 R)
• M13: 42,498,960 km (0.109 R)
• M14: 45,551,355 km (0.108 R)
• M15: 49,844,515 km (0.048 R)
• M16: 51,521,656 km (0.047 R)
• M17: 57,181,093 km (0.091 R)
• M18: 58,197,012 km (0.081 R)
• M19: 59,847,376 km (0.12 R)
• M20: 65,869,289 km (0.068 R)
• M21: 74,670,580 km (0.027 R)
• M22: 83,962,403 km (0.076 R)

Kuiper Belt

Range: 30.6 - 52.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 12,658 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit